Presentation of the economic upswing in the GDR, emphasizing the discovery of the process for the production of high-temperature lignite coke and the commissioning of the Lauchhammer large-scale coking plant.
1945
2003
1943
2016
1932
2011
2007
1935
1991
2021
2006
1973
1934
1978
2009
1986
1946
1931